Unlike meme sounds tied to a famous clip or character, this short 'yum yum' vocalization has no single traceable origin and circulates as a generic eating reaction across soundboards and editing apps. Its popularity grew with food content on TikTok and YouTube, where creators needed a fast, cartoonish way to signal deliciousness in taste tests, recipe reveals and mukbangs. Because the clip is under a second and contains only a voice, it layers easily over any footage and loops without getting annoying, which keeps it in steady rotation years after similar food sounds faded.